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2. Shelah, S.: Cardinal arithmetic. Oxford Logic Guides, vol. 29, Oxford University Press, 1994
3. Shelah, S.: Jonsson Algebras in an inaccessible λ not λ-Mahlo. Cardinal Arithmetic, Oxford Logic Guides, vol. 29, Oxford University Press, 1994
4. Shelah, S.: There are Jonsson algebras in many inaccessible cardinals. Cardinal Arithmetic, Oxford Logic Guides, vol. 29 Oxford University Press, 1994
5. Shelah, S.: Proper and improper forcing. Perspectives in Mathematical Logic, Springer, 1998